In a large bowl whisk together the flour, baking powder, sugar, salt, baking soda, and cinnamon.
In a medium bowl mix together the egg yolks, vegetable oil, milk, buttermilk and vanilla extract.
In a small bowl beat the egg whites with a hand mixer until stiff peaks form. Set aside.
Add the egg yolk mixture to the dry ingredients and mix well.
Fold in the egg whites.
Pour the batter onto your hot waffle iron. Note: Your cook time will be based on your waffle iron’s manufacturer's instructions, but it's usually 5 to 6 minutes.